The Trinity Force 223/5.56 Ambidextrous safety selector can be installed on any standard 223/5.56 lower receiver and will function when deployed on either the right or left side of the rifle. The right hand lever has been shortened to accommodate right-handed shooters.
For your safety, Trinity Force recommends this part be installed by a competent, qualified gunsmith/installer with an understanding of the weapon platform that the part is being installed on. Always make sure the firearm is unloaded and pointed in a safe direction when working.